What types of microorganisms are suitable for use in Australian school science laboratories?

What types of microorganisms are suitable for use in Australian school science laboratories?
Tarantula kept in classroom: Is it perfectly okay to keep a tarantula in a locked container in the classroom?
Classification and storage of nitrates: While updating Safety Data Sheets (SDSs), I found some confusing changes in the listing of some nitrates.
This unit of work introduces students to the different states of matter.
Fume cupboard plumbing. We are about to install a fumehood and the question has come up about its plumbing. Can it be plumbed into the normal waste water / sewer lines or is something else needed?
GHS Signage: Flammable Liquids and Corrosives cabinets.
Year 12 Biology (Rennet). Dear Sir or Madam, I am just wanting to source Rennet for Yr 12 Bio experiments. We have previously used 'Simply Junket' powder, which is now very expensive.
This unit of work introduces students to the properties of different materials.
Australian Standards for window coverings in science labs: Good morning, We need to replace the window coverings in our labs.
Storing magnesium ribbon: Hi, Could you please let me know the safest place to store our rolls of magnesium ribbon?